Most people don't realize it, because they're invisible, but microbes make up about a half of the Earth's biomass, whereas all animals only make up about one one-thousandth of all the biomass.

We still do not know one thousandth of one percent of what nature has revealed to us.

How could someone possibly be that beautiful? She wondered for the hundred thousandth time. What higher power orchestrated such a perfect union of genes? Who decided that one single solitary soul deserved skin like that? It was so fundamentally unfair.(Chasing Harry Winston)

We still do not know one thousandth of one percent of what nature has revealed to us.